Frank Rubio is a NASA astronaut who was selected as part of NASA's 2017 astronaut candidate class, also known as Astronaut Group 22. Frank Rubio is a medical doctor and a lieutenant colonel in the United States Army. As of my last knowledge update in January 2022, he was in the early stages of his astronaut training.
Astronaut candidates go through extensive training, including spacewalk training, robotics training, survival training, and various technical and scientific training to prepare them for future missions. Since my information is not up to date,
